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authorLinus Walleij <linus.walleij@linaro.org>2015-12-21 15:40:27 (GMT)
committerLinus Walleij <linus.walleij@linaro.org>2015-12-26 21:28:41 (GMT)
commit39e24ac3c309545f1308f0a5d770322b426339ab (patch)
tree17220e9e041599dd01537407a09db736aca851bb /drivers/pinctrl
parentb9164f049339006fafe8a52396e0f1997552214a (diff)
downloadlinux-39e24ac3c309545f1308f0a5d770322b426339ab.tar.xz
pinctrl: sunxi: Be sure to clamp return value
As we want gpio_chip .get() calls to be able to return negative error codes and propagate to drivers, we need to go over all drivers and make sure their return values are clamped to [0,1]. We do this by using the ret = !!(val) design pattern. Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r--drivers/pinctrl/sunxi/pinctrl-sunxi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index a437e4f..c53a2db 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -469,7 +469,7 @@ static int sunxi_pinctrl_gpio_get(struct gpio_chip *chip, unsigned offset)
if (set_mux)
sunxi_pmx_set(pctl->pctl_dev, offset, SUN4I_FUNC_IRQ);
- return val;
+ return !!val;
}
static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip,